Home / 4,539.12-6,809.76-1,765.86

Finding the Fourth Proportional to 4,539.12, 6,809.76 and 1,765.86

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Solution

The fourth proportional to 4,539.12, 6,809.76 and 1,765.86 is: 2,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.12 : 6,809.76 = 1,765.86 : x
  2. Step 2: Convert to fraction form
    4,539.12/6,809.76 = 1,765.86/x
  3. Step 3: Cross multiply
    4,539.12x = 6,809.76 × 1,765.86
  4. Step 4: Simplify right side
    4,539.12x = 12,025,082.79
  5. Step 5: Solve for x
    x = 12,025,082.79/4,539.12
  6. Step 6: Final answer
    x = 2,649.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.